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JPL Small-Body Database Browser
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66157 (1998 UJ26)
Classification: Main-belt Asteroid          SPK-ID: 2066157
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

[ show orbit diagram ]
Orbital Elements at Epoch 2459000.5 (2020-May-31.0) TDB
Reference: JPL 20 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1681022016844467 4.0692e-08  
a 3.173323724082119 3.2236e-08 au
q 2.639881019406427 1.3085e-07 au
i 5.903114198261847 5.0436e-06 deg
node 133.6476705203222 4.646e-05 deg
peri 278.1254989782005 4.9287e-05 deg
M 287.0516381484242 1.476e-05 deg
tp 2459418.891678020647
(2021-Jul-23.39167802)
8.502e-05 TDB
period 2064.761980452603
5.65
3.1462e-05
8.614e-08
d
yr
n .1743542371509023 2.6567e-09 deg/d
Q 3.706766428757811 3.7655e-08 au
  Orbit Determination Parameters
   # obs. used (total)      580  
   data-arc span      9344 days (25.58 yr)  
   first obs. used      1992-09-22  
   last obs. used      2018-04-23  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .58292  
   source      ORB  
   producer      Otto Matic  
   solution date      2018-May-07 04:35:48  

Additional Information
 Earth MOID = 1.65905 au 
 Jupiter MOID = 1.70281 au 
 T_jup = 3.171 
[ show covariance matrix ]

Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

Physical Parameter Table
Parameter Symbol Value Units Sigma Reference Notes
absolute magnitude H 14.7   n/a MPO449420  

66157 (1998 UJ26)          Discovered 1998-Oct-18 by Elst, E. W. at La Silla
Reference: 20030910/Numbers.arcLast Updated: 2004-04-19

[ show close-approach data ]
Alternate Designations
 1998 UJ26 = 1992 SU22 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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